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Finding the Fourth Proportional to 481,773.88, 664,869.72 and 266,913.93

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Solution

The fourth proportional to 481,773.88, 664,869.72 and 266,913.93 is: 368,353.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,773.88 : 664,869.72 = 266,913.93 : x
  2. Step 2: Convert to fraction form
    481,773.88/664,869.72 = 266,913.93/x
  3. Step 3: Cross multiply
    481,773.88x = 664,869.72 × 266,913.93
  4. Step 4: Simplify right side
    481,773.88x = 177,462,991,896.00
  5. Step 5: Solve for x
    x = 177,462,991,896.00/481,773.88
  6. Step 6: Final answer
    x = 368,353.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.